<ul class="selectNav">
    <li id="syllabus"><a href="<?php echo site_url('admin/syllabus/searchsyll'); ?>"><span>查询课表</span></a></li>
    <li id="addcourse"><a href="<?php echo site_url('admin/syllabus/addcourse'); ?>"><span>添加课程</span></a></li>
    <li id="getcourse"><a href="<?php echo site_url('admin/syllabus/getcourse'); ?>"><span>修改课程</span></a></li>
    <li id="getsyllabus"><a href="<?php echo site_url('admin/syllabus/getsyllabus'); ?>"><span>添加课表</span></a></li>
</ul>